[ALPS08769069] Chist: fixed the chist1 path bug

[Description]
    correct the chist1 path of mt6897

[Test]
    chist1 test pass

MTK-Commit-Id: 41b3798d7df87df31d330974791cb5be26de4b81

Signed-off-by: Xinshuang Dong <xinshuang.dong@mediatek.com>
CR-Id: ALPS08769069
Feature: display_pq
Change-Id: I8ba6442cfa6a0b749f72280f528a7b98e27ffa4c